CN218236535U - High-temperature and high-pressure resistant rotary joint structure - Google Patents

Abstract

The utility model discloses a high temperature and high pressure resistant rotary joint structure, including the casing, the top is provided with sealed bearing in the casing, and the casing is inside and be located the sealed bearing below and seted up the seal groove, and casing bottom fixedly connected with outlet pipe, seal groove top are provided with the graphite ring, and graphite ring bottom is provided with the seal cover, and seal cover bottom fixedly connected with pressure strip, a plurality of screw hole have been seted up to the pressure strip bottom, and casing bottom and the corresponding position threaded connection of screw hole have a compression bar, and the compression bar top is passed casing threaded connection and is downthehole at the screw thread, the beneficial effects of the utility model are that: through the structure that sets up sloping block and chute on the seal cover, utilize simultaneously to compress tightly the pole control pressure strip and slide, make the closer laminating of sloping block and chute at the seal groove inner wall, the leakproofness is better, can bear higher pressure, compresses tightly the pole simultaneously and replaces the spring to promote the seal cover for the device can bear higher temperature.

Description

High-temperature and high-pressure resistant rotary joint structure

Technical Field

The utility model relates to a rotary joint technical field specifically is a high temperature and high pressure resistant rotary joint structure.

Background

The rotary joint is used for connecting and sealing a device which rotates in 360 degrees and can input fluid media from a static system to a dynamic rotating system at the same time, and is mainly used in the field of pipeline connection.

In order to ensure the sealing property in the rotary joint, the self elastic force of the spring is adopted to abut against the sealing ring for sealing, and the spring is easy to lose efficacy when the rotary joint circulates high-temperature fluid in the installation mode.

When rotary joint carried high temperature fluid, the spring received can reduce the elasticity of self when high temperature acted on to lead to the sealing washer to drop, greatly reduced rotary joint's sealed effect, make the inside sealed effect of rotary joint reduce simultaneously, thereby lead to rotary joint not to be high pressure resistant.

Therefore, a rotary joint structure resistant to high temperature and high pressure is designed and produced so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature and high pressure resistant rotary joint structure to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high temperature and high pressure resistant rotary joint structure, includes the casing, the top is provided with sealed bearing in the casing, the inside sealed groove that has seted up below sealed bearing of just being located of casing, casing bottom fixedly connected with outlet pipe, the sealed groove top is provided with the graphite ring, graphite ring bottom is provided with the seal cover, seal cover bottom fixedly connected with pressure strip, a plurality of screw hole has been seted up to the pressure strip bottom, casing bottom and the corresponding position threaded connection of screw hole have the compression bar, the compression bar top passes casing threaded connection in the screw hole.

Preferably, the equal fixedly connected with fixed block in graphite ring top both sides, the fixed slot has all been seted up with the corresponding position of fixed block to the seal groove roof, the fixed block joint is inside the fixed slot, through the mutual joint of fixed block and fixed slot, thereby prevents that seal bearing from rotating to drive the graphite ring and rotate and reduce inside sealing performance.

Preferably, the pressure strip bottom is provided with the gasket, the locating hole has been seted up with the screw hole corresponding position in gasket top, compression rod sliding connection is in the locating hole, through setting up the gasket for the stress point is more even when compression rod drives the pressure strip and removes, makes sloping block and chute and the inseparabler subsides of seal groove sum simultaneously.

Preferably, the outer wall of the pressing rod is fixedly connected with a limiting plate, the pressing rod can press the surface of the gasket through the limiting plate, and stress points are more uniform when the pressing rod drives the pressing plate.

Preferably, the graphite ring bottom fixedly connected with sloping block, the chute has been seted up on the seal cover top, the sloping block joint is inside the chute, through set up the mutual joint of sloping block and chute on the seal cover for sealed pad and the inseparabler laminating of graphite ring.

Preferably, the bottom of the sealing groove is fixedly connected with a sealing gasket, a sliding hole is formed in the top of the sealing gasket, the pressing rod is connected inside the sliding hole in a sliding mode, and the sealing effect of the water outlet pipe at the bottom of the sealing groove is improved through the sealing gasket.

Preferably, the graphite ring internal diameter closely pastes with the sealed bearing internal diameter, the seal cover outer wall closely laminates with the seal groove inner wall, closely laminates through seal cover and seal groove, makes it get the whole leakproofness of device better, can bear higher pressure.

Compared with the prior art, the beneficial effects of the utility model are that: through the structure that sets up sloping block and chute on the seal cover, utilize simultaneously to compress tightly the pole control pressure strip and slide, make its sloping block and the inseparable laminating of chute at the seal groove inner wall, the leakproofness is better, can bear higher pressure, compresses tightly the pole simultaneously and replaces the spring to promote the seal cover for the device can bear higher temperature.

Drawings

Fig. 1 is a front partial sectional structure schematic view of the rotary joint of the present invention;

fig. 2 is a schematic view of the overall appearance structure of the sealing sleeve of the present invention;

FIG. 3 is a schematic view of the enlarged structure of the part B of the present invention;

FIG. 4 is a schematic view of the enlarged structure of the part A of the present invention;

fig. 5 is the schematic view of the front structure of the compressing rod of the present invention.

In the figure: 1. a housing; 2. sealing the bearing; 3. a sealing groove; 4. a graphite ring; 5. a sealing sleeve; 6. a compression plate; 7. a threaded hole; 8. a hold down bar; 9. a fixed block; 10. fixing grooves; 11. a gasket; 12. positioning holes; 13. a limiting plate; 14. a gasket; 15. a slide hole; 16. a sloping block; 17. a chute; 18. and (4) a water outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-2, this embodiment provides a high temperature and pressure resistant rotary joint structure, which includes a housing 1, a seal bearing 2 is disposed at a top end of the housing 1, a seal groove 3 is disposed inside the housing 1 and located below the seal bearing 2, a water outlet pipe 18 is fixedly connected to a bottom of the housing 1, a graphite ring 4 is disposed at a top of the seal groove 3, a sealing performance between the graphite ring 4 and the seal bearing 2 is increased, the seal sleeve 5 is disposed at a bottom of the graphite ring 4, a pressure plate 6 is fixedly connected to a bottom of the seal sleeve 5, the seal sleeve 5 is driven to slide by the pressure plate 6, a plurality of threaded holes 7 are disposed at a bottom of the pressure plate 6, the top of the pressure rod 8 is fixed by the threaded holes 7, a pressure rod 8 is threadedly connected to a position of the bottom of the housing 1 corresponding to the threaded holes 7, a top end of the pressure rod 8 penetrates through the housing 1 to be threadedly connected into the threaded holes 7, the pressure plate 6 is controlled to slide by rotating the pressure rod 8, so that the seal sleeve 5 and the graphite ring 4 are more tightly attached to an inner wall of the seal groove 3, the sealing performance is better, and can bear higher pressure, and the pressure can be used for replacing a spring to push the seal sleeve 5, so that the device can bear higher temperature, thereby solving the problem that the internal sealing of the high temperature and pressure resistant rotary joint in the prior art.

Wherein, 9 fixed connection of fixed block are in 4 top both sides of graphite ring, and fixed slot 10 is seted up at 3 roof of seal groove and with the corresponding position of fixed block 9, and thereby 9 joints of fixed block are inside fixed slot 10, through the mutual joint of fixed block 9 with fixed slot 10, prevent that sealed bearing 2 from rotating to drive graphite ring 4 and rotate and reduce the inside sealing performance, improve graphite ring 4's stability can, increase the sealing performance of device.

Wherein, sloping block 16 fixed connection is in 4 bottoms of graphite ring, and the chute 17 is seted up on the 5 tops of seal cover, and 16 joints of sloping block are inside chute 17, through set up sloping block 16 and the mutual joint of chute 17 on seal cover 5 for seal cover 5 and the inseparabler laminating of graphite ring 4 improve the holistic sealed effect of device.

Example 2

Referring to fig. 4-5, the difference from embodiment 1 is that:

wherein, gasket 11 sets up in pressure strip 6 bottom, and locating hole 12 is seted up at 11 tops of gasket and the corresponding position of screw hole 7, and 8 sliding connection of compression bar are in locating hole 12, through setting up gasket 11 for the stress point is more even when compression bar 8 drives pressure strip 6 and removes, makes sloping block 16 and chute 17 and seal groove 3 inseparabler paste simultaneously, improves rotary joint's sealed effect.

Wherein, limiting plate 13 fixed connection is at the 8 outer walls of pressure bar, makes pressure bar 8 can press 11 surfaces of gasket through limiting plate 13 for the stress point is more even when pressure bar 8 drives pressure strip 6.

Wherein, sealed 14 fixed connection in the seal groove 3 bottom of filling up, sliding hole 15 sets up at sealed 14 tops of filling up, and 8 sliding connection of compressing tightly are inside sliding hole 15, increase the sealed effect of the outlet pipe 18 department in seal groove 3 bottom through sealed 14.

Wherein, the 2 internal diameters of sealed bearing and 4 internal diameters of graphite ring closely laminate and, 5 outer walls of seal cover closely laminate with 3 inner walls of seal groove, closely laminate through seal cover 5 and seal groove 3, make it get the whole leakproofness of device better, can bear higher pressure.

When the installation, at first put into inside seal groove 3 gasket 11, insert locating hole 12 on gasket 11 on the compressing tightly pole 8 that corresponds simultaneously, then in putting seal cover 5 into seal groove 3 and will compress tightly the screw hole 7 of pole 8 insertion bottom, put into seal groove 3 with graphite ring 4 again, simultaneously with inside fixed slot 10 that the joint of both sides fixed block 9 is corresponding, thereby prevent that sealed bearing 2 from rotating and drive graphite ring 4 and rotate and reduce inside sealing performance, install sealed bearing 2 and accomplish swivel joint installation promptly again, at last at the compressing tightly pole 8 of rotation bottom, because of compressing tightly pole 8 and 1 threaded connection of casing, make compressing tightly pole 8 extrude gasket 11, upwards extrude sealed cover 5 with graphite ring 4 simultaneously, make sloping block 16 and chute 17 carry out the close subsides and to the seal groove 3 inner wall, reach swivel joint sealed effect.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high temperature and high pressure resistant rotary joint structure, includes casing (1), the top is provided with sealed bearing (2) in casing (1), inside just being located sealed bearing (2) below of casing (1) has seted up seal groove (3), casing (1) bottom fixedly connected with outlet pipe (18), its characterized in that: seal groove (3) top is provided with graphite ring (4), graphite ring (4) bottom is provided with seal cover (5), seal cover (5) bottom fixedly connected with pressure strip (6), a plurality of screw hole (7) have been seted up to pressure strip (6) bottom, casing (1) bottom and the corresponding position threaded connection of screw hole (7) have compressing rod (8), compressing rod (8) top is passed casing (1) threaded connection in screw hole (7).

2. The rotary joint structure capable of withstanding high temperatures and high pressures according to claim 1, wherein: graphite ring (4) top both sides equal fixedly connected with fixed block (9), fixed slot (10) have all been seted up with fixed block (9) corresponding position to seal groove (3) roof, fixed block (9) joint is inside fixed slot (10).

3. The rotary joint structure capable of withstanding high temperatures and high pressures according to claim 1, wherein: the bottom of the pressing plate (6) is provided with a gasket (11), the top of the gasket (11) is provided with a positioning hole (12) corresponding to the threaded hole (7), and the pressing rod (8) is connected in the positioning hole (12) in a sliding mode.

4. The rotary joint structure capable of withstanding high temperature and high pressure according to claim 1, wherein: the outer wall of the pressing rod (8) is fixedly connected with a limiting plate (13).

5. The rotary joint structure capable of withstanding high temperatures and high pressures according to claim 1, wherein: the graphite ring is characterized in that an inclined block (16) is fixedly connected to the bottom of the graphite ring (4), an inclined groove (17) is formed in the top end of the sealing sleeve (5), and the inclined block (16) is clamped inside the inclined groove (17).

6. The rotary joint structure capable of withstanding high temperatures and high pressures according to claim 1, wherein: seal groove (3) bottom fixedly connected with sealed pad (14), sliding hole (15) have been seted up at sealed pad (14) top, compress tightly pole (8) sliding connection inside sliding hole (15).

7. The rotary joint structure capable of withstanding high temperatures and high pressures according to claim 1, wherein: graphite ring (4) internal diameter and sealed bearing (2) internal diameter closely laminate with, seal cover (5) outer wall closely laminates with seal groove (3) inner wall.

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